Pultrusion method and related article
AssigneeComfort Line, Ltd.
InventorsRobert D. Spaans, Jacob J. Huskins, John L. Sigmund, Robert W. Jennings
Life of this patent
Estimating the term…
Abstract
A method of forming a reinforced composite structure comprises providing a plurality of fiberglass rovings to a resin applicator. The plastic applicator has an inlet, an outlet, and a plastic applicator cavity such that the rovings enter the plastic applicator through the inlet and exit through the outlet. The inlet and outlet are relatively positioned to spread out the rovings. Resin-containing rovings are directed between a first fiberglass matt and a second fiberglass matt and then cured. A joint that connects two frame members formed by the method of the invention is provided.
Claims16
A method of forming a fiberglass-plastic composite structure comprising:
- a) providing a plurality of fiberglass rovings to a resin applicator, the resin applicator having an inlet, an outlet, and a resin applicator cavity, the rovings entering the resin applicator through the inlet along a first direction and exiting through the outlet along a second direction such that the inlet and outlet are vertically offset and the first and second directions are vertically offset to spread out the rovings, the rovings being angled along a third straight line direction extending from the inlet to the outlet, the third direction being angled with respect to the first direction and second direction wherein the rovings are embedded with a liquid resin within the resin applicator cavity to form resin-containing rovings;
- b) directing at least a portion of the resin-containing rovings between a first fiberglass matt and a second fiberglass matt;
- c) directing the resin-containing rovings, the first fiberglass matt, and the second resin-containing matt into a curing chamber;
- and
- d) curing the resin-containing rovings positioned between the first and second fiberglass matts to form the fiberglass-plastic composite structure, wherein the fiberglass-plastic composite structure emerges from the curing chamber with a predetermined linear speed.
Dependencies are inferred from the claim text.